09. Array Higher-Order Methods (map, filter, reduce)

Problem Objective

Given numbers [1, 2, 3, 4, 5, 6], filter for evens and map to their squares.

Expected Terminal OutputStandard Out

Squared evens: [ 4, 16, 36 ]

[✓] Array pipeline verified (Time: 0.035s, Memory: 24.3 MB)

Execution Constraints

Implementation Checklist

Filter even numbersMap to squaresLog result

index.jsnode 20.x (V8 Engine)

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Medium